In the cold chain system industry, we have accumulated over 20 years of experience. Now the Dachang has 3 fully automatic large-scale continuous production lines and 4 semi-automatic production lines with an annual production capacity of up to 3 million m³, including polyurethane cold storage panels, wall insulation panels, and cold storage doors, Large and small integrated cold storage and mobile cold storage and other types of cold chain equipment, one-stop to meet the market demand for freezing.